509038 has 4 divisors (see below), whose sum is σ = 763560. Its totient is φ = 254518.

The previous prime is 509027. The next prime is 509053. The reversal of 509038 is 830905.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127258 + ... + 127261.

It is an arithmetic number, because the mean of its divisors is an integer number (190890).

2⁵⁰⁹⁰³⁸ is an apocalyptic number.

509038 is a deficient number, since it is larger than the sum of its proper divisors (254522).

509038 is a wasteful number, since it uses less digits than its factorization.

509038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254521.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 509038 is about 713.4689902161. The cubic root of 509038 is about 79.8454307132.

The spelling of 509038 in words is "five hundred nine thousand, thirty-eight".